Vehicle display screen or portion thereof with a graphical user interface



The FIGURE is a front view of a vehicle display screen or portion thereof with a graphical user interface showing our new design.

The broken lines in the FIGURE, showing the vehicle display screen and portions of the graphical user interface, are used to illustrate portions of the article; all broken lines form no part of the claimed design. 

CLAIM The ornamental design for a vehicle display screen or portion thereof with a graphical user interface, as shown and described. 